<template>
  <div>
    <!-- 面包屑  -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索与添加区 -->
      <el-row :gutter="20">
        <el-col :span="8">

          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getGoodsList'>
            <el-button @click="getGoodsList" slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 表格区 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"></el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)" width="95px"></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="70px"></el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="140px">
          <!-- |dateFormat 是指调用main里全局的 时间过滤器 -->
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <!-- 编辑与删除按钮 -->
          <template slot-scope="scope">
            <el-button size="mini" type="primary" icon="el-icon-edit"></el-button>
            <el-button @click="remove(scope.row.goods_id)" size="mini" type="danger" icon="el-icon-delete"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[ 5, 10, 15,20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: 'List',
  components: {},
  data () {
    return {
      //查询的参数
      queryInfo: {
        query: '',//查询参数
        pagenum: 1,//当前页码
        pagesize: 10,//每页显示条数 	
      },
      goodslist: [],//商品列表
      total: 0,//总共商品条数
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.error('获取用户列表失败')
      console.log(res);
      this.goodslist = res.data.goods
      this.total = res.data.total
      console.log(res);
    },
    //每页显示多少数据
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    //显示第几页的数据
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    //删除商品列表数据
    async remove (id) {
      //先弹窗再删除
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'//图标
      }).catch(err => err)
      //用户点击确定会返回字符串 confirm
      //用户点击取消会返回字符串 cancel
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('goods/' + id)
      if (res.meta.status !== 200) return this.$message.error('删除商品失败')
      this.$message.success('删除商品成功')
      this.getGoodsList()
    },
    //点击添加商品 跳转到路由导航的添加页中
    goAddpage () {
      this.$router.push('/goods/add')
    }
  },
}

</script>
<style  lang='less' scoped>
</style>